M1.5 earthquake 64 km SE of Adak, Alaska

Magnitude

1.5 (ml), micro

Local time

Fri, Feb 21, 2020, 4:30 PM HAST

UTC

2020-02-22 02:30:31 UTC

Depth

25.6 km (15.9 mi), shallow

Epicenter

51.458° N, 175.990° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

18

After

1. 1.663 km ESE of Adak, AlaskaSat, Feb 22, 4:46 AM HAST · 2412 days ago · 35 km deep · 17 km away
2. 1.637 km S of Adak, AlaskaSat, Feb 22, 5:07 AM HAST · 2412 days ago · 52 km deep · 39 km away
3. 2.869 km SSE of Adak, AlaskaSun, Feb 23, 12:28 AM HAST · 2411 days ago · 10 km deep · 29 km away
4. 3.725 km WNW of Adak, AlaskaMon, Feb 24, 12:52 PM HAST · 2410 days ago · 103 km deep · 89 km away
5. 1.948 km SSE of Adak, AlaskaMon, Feb 24, 7:33 PM HAST · 2409 days ago · 43 km deep · 34 km away
6. 3.362 km SSW of Adak, AlaskaTue, Feb 25, 12:42 AM HAST · 2409 days ago · 10 km deep · 74 km away
7. 2.657 km SSW of Adak, AlaskaTue, Feb 25, 2:48 AM HAST · 2409 days ago · 35 km deep · 74 km away
8. 1.646 km ENE of Adak, AlaskaTue, Feb 25, 2:42 PM HAST · 2408 days ago · 6 km deep · 64 km away
9. 1.848 km SE of Adak, AlaskaTue, Feb 25, 5:49 PM HAST · 2408 days ago · 27 km deep · 17 km away
10. 3.965 km NE of Adak, AlaskaTue, Feb 25, 5:51 PM HAST · 2408 days ago · 150 km deep · 86 km away
11. 1.941 km ENE of Adak, AlaskaTue, Feb 25, 11:52 PM HAST · 2408 days ago · 5 km deep · 67 km away
12. 1.643 km ENE of Adak, AlaskaWed, Feb 26, 8:20 AM HAST · 2408 days ago · 6 km deep · 68 km away
13. 1.872 km SE of Adak, AlaskaWed, Feb 26, 10:14 AM HAST · 2408 days ago · 20 km deep · 10 km away
14. 1.659 km SSW of Adak, AlaskaWed, Feb 26, 10:29 AM HAST · 2408 days ago · 32 km deep · 67 km away
15. 1.972 km ESE of Adak, AlaskaThu, Feb 27, 2:53 AM HAST · 2407 days ago · 26 km deep · 25 km away
16. 1.662 km SW of Adak, AlaskaThu, Feb 27, 3:47 AM HAST · 2407 days ago · 39 km deep · 95 km away
17. 1.8120 km SSW of Atka, AlaskaThu, Feb 27, 4:24 AM HAST · 2407 days ago · 10 km deep · 65 km away
18. 1.7125 km SSW of Atka, AlaskaThu, Feb 27, 5:32 AM HAST · 2407 days ago · 26 km deep · 65 km away
19. 2.0127 km SSW of Atka, AlaskaThu, Feb 27, 6:05 AM HAST · 2407 days ago · 21 km deep · 67 km away
20. 1.841 km ENE of Adak, AlaskaThu, Feb 27, 6:45 AM HAST · 2407 days ago · 4 km deep · 66 km away
21. 1.640 km ENE of Adak, AlaskaThu, Feb 27, 6:46 AM HAST · 2407 days ago · 4 km deep · 67 km away
22. 2.8139 km SSW of Atka, AlaskaThu, Feb 27, 7:52 AM HAST · 2407 days ago · 10 km deep · 78 km away
23. 2.0117 km SSW of Atka, AlaskaThu, Feb 27, 7:58 AM HAST · 2407 days ago · 13 km deep · 76 km away
24. 1.8125 km SSW of Atka, AlaskaThu, Feb 27, 7:59 AM HAST · 2407 days ago · 15 km deep · 64 km away
25. 1.638 km SSW of Adak, AlaskaFri, Feb 28, 12:03 AM HAST · 2406 days ago · 13 km deep · 64 km away
26. 1.958 km SSE of Adak, AlaskaFri, Feb 28, 10:37 PM HAST · 2405 days ago · 23 km deep · 13 km away
27. 1.639 km ENE of Adak, AlaskaFri, Feb 28, 11:14 PM HAST · 2405 days ago · 5 km deep · 66 km away
28. 1.840 km ENE of Adak, AlaskaSat, Feb 29, 12:19 AM HAST · 2405 days ago · 4 km deep · 68 km away
29. 1.558 km SSE of Adak, AlaskaSat, Feb 29, 1:27 AM HAST · 2405 days ago · 26 km deep · 20 km away
30. 2.145 km ENE of Adak, AlaskaSat, Feb 29, 6:04 PM HAST · 2404 days ago · 7 km deep · 69 km away
31. 1.939 km ENE of Adak, AlaskaSat, Feb 29, 10:11 PM HAST · 2404 days ago · 5 km deep · 68 km away
32. 1.741 km ENE of Adak, AlaskaSun, Mar 1, 1:18 PM HAST · 2404 days ago · 5 km deep · 67 km away
33. 1.561 km ESE of Adak, AlaskaSun, Mar 1, 8:40 PM HAST · 2403 days ago · 30 km deep · 17 km away
34. 4.051 km WSW of Adak, AlaskaSun, Mar 1, 11:26 PM HAST · 2403 days ago · 75 km deep · 92 km away
35. 4.031 km SSE of Adak, AlaskaMon, Mar 2, 2:51 AM HAST · 2403 days ago · 48 km deep · 35 km away
36. 2.549 km SSE of Adak, AlaskaMon, Mar 2, 8:20 AM HAST · 2403 days ago · 35 km deep · 25 km away
37. 2.5105 km SSW of Adak, AlaskaTue, Mar 3, 2:28 PM HAST · 2401 days ago · 10 km deep · 88 km away
38. 3.466 km SSW of Adak, AlaskaTue, Mar 3, 2:47 PM HAST · 2401 days ago · 35 km deep · 81 km away
39. 1.565 km SSW of Adak, AlaskaTue, Mar 3, 3:19 PM HAST · 2401 days ago · 26 km deep · 69 km away
40. 1.861 km SE of Adak, AlaskaWed, Mar 4, 7:24 PM HAST · 2400 days ago · 23 km deep · 7 km away
41. 4.041 km ENE of Adak, AlaskaFri, Mar 6, 5:51 AM HAST · 2399 days ago · 10 km deep · 63 km away
42. 2.798 km SW of Atka, AlaskaFri, Mar 6, 1:32 PM HAST · 2399 days ago · 35 km deep · 54 km away
43. 1.561 km SW of Adak, AlaskaFri, Mar 6, 8:22 PM HAST · 2398 days ago · 18 km deep · 93 km away
44. 2.467 km NE of Adak, AlaskaSat, Mar 7, 5:18 AM HAST · 2398 days ago · 172 km deep · 94 km away
45. 1.9126 km SSW of Atka, AlaskaSat, Mar 7, 5:56 AM HAST · 2398 days ago · 25 km deep · 75 km away
46. 1.956 km SW of Adak, AlaskaSat, Mar 7, 7:10 AM HAST · 2398 days ago · 49 km deep · 78 km away
47. 3.460 km SSW of Adak, AlaskaSat, Mar 7, 9:38 AM HAST · 2398 days ago · 39 km deep · 75 km away
48. 2.041 km ENE of Adak, AlaskaSat, Mar 7, 12:54 PM HAST · 2398 days ago · 3 km deep · 68 km away
49. 1.656 km SSW of Adak, AlaskaSat, Mar 7, 2:15 PM HAST · 2397 days ago · 30 km deep · 73 km away
50. 1.851 km SW of Atka, AlaskaSat, Mar 7, 2:52 PM HAST · 2397 days ago · 63 km deep · 98 km away
51. 1.743 km ENE of Adak, AlaskaSun, Mar 8, 4:55 AM HADT · 2397 days ago · 6 km deep · 68 km away
52. 3.089 km SSW of Atka, AlaskaSun, Mar 8, 8:37 AM HADT · 2397 days ago · 42 km deep · 95 km away
53. 1.784 km SE of Adak, AlaskaMon, Mar 9, 3:36 PM HADT · 2395 days ago · 26 km deep · 26 km away
54. 1.669 km SSE of Adak, AlaskaMon, Mar 9, 8:11 PM HADT · 2395 days ago · 26 km deep · 31 km away
55. 2.944 km S of Adak, AlaskaTue, Mar 10, 3:25 AM HADT · 2395 days ago · 35 km deep · 42 km away
56. 1.945 km S of Adak, AlaskaTue, Mar 10, 4:42 AM HADT · 2395 days ago · 38 km deep · 53 km away
57. 2.965 km SSW of Adak, AlaskaTue, Mar 10, 5:51 AM HADT · 2395 days ago · 36 km deep · 72 km away
58. 1.763 km SSW of Adak, AlaskaTue, Mar 10, 6:06 AM HADT · 2395 days ago · 43 km deep · 70 km away
59. 3.127 km SSW of Adak, AlaskaTue, Mar 10, 9:45 AM HADT · 2395 days ago · 60 km deep · 55 km away
60. 2.858 km SSE of Adak, AlaskaTue, Mar 10, 11:17 AM HADT · 2395 days ago · 35 km deep · 14 km away

The first 60 of 162.

Before

1. 1.539 km ENE of Adak, AlaskaFri, Feb 21, 2:09 PM HAST · 2412 days ago · 16 km deep · 65 km away
2. 2.665 km SE of Adak, AlaskaFri, Feb 21, 8:13 AM HAST · 2413 days ago · 35 km deep · 4 km away
3. 2.055 km WSW of Adak, AlaskaThu, Feb 20, 2:03 PM HAST · 2413 days ago · 95 km deep · 100 km away
4. 1.541 km ENE of Adak, AlaskaWed, Feb 19, 7:53 PM HAST · 2414 days ago · 4 km deep · 68 km away
5. 2.178 km SSW of Atka, AlaskaWed, Feb 19, 3:44 PM HAST · 2414 days ago · 26 km deep · 92 km away
6. 1.540 km ENE of Adak, AlaskaWed, Feb 19, 2:45 AM HAST · 2415 days ago · 5 km deep · 68 km away
7. 2.780 km SE of Adak, AlaskaWed, Feb 19, 1:50 AM HAST · 2415 days ago · 28 km deep · 17 km away
8. 3.163 km SSW of Adak, AlaskaTue, Feb 18, 10:41 AM HAST · 2416 days ago · 35 km deep · 63 km away
9. 2.1Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 18, 3:38 AM HAST · 2416 days ago · 26 km deep · 75 km away
10. 1.786 km SW of Atka, AlaskaMon, Feb 17, 5:59 PM HAST · 2416 days ago · 26 km deep · 63 km away
11. 2.0103 km SW of Atka, AlaskaMon, Feb 17, 3:01 PM HAST · 2416 days ago · 5 km deep · 59 km away
12. 1.862 km SE of Adak, AlaskaSun, Feb 16, 11:52 PM HAST · 2417 days ago · 20 km deep · 2 km away
13. 2.593 km SW of Atka, AlaskaSun, Feb 16, 5:50 PM HAST · 2417 days ago · 31 km deep · 60 km away
14. 1.673 km S of Adak, AlaskaSun, Feb 16, 5:20 PM HAST · 2417 days ago · 26 km deep · 41 km away
15. 2.537 km ESE of Adak, AlaskaSun, Feb 16, 4:00 PM HAST · 2417 days ago · 70 km deep · 33 km away
16. 1.840 km W of Adak, AlaskaSun, Feb 16, 12:33 PM HAST · 2418 days ago · 6 km deep · 97 km away
17. 2.241 km ENE of Adak, AlaskaSun, Feb 16, 8:24 AM HAST · 2418 days ago · 3 km deep · 68 km away
18. 2.5131 km SSW of Atka, AlaskaSun, Feb 16, 5:53 AM HAST · 2418 days ago · 10 km deep · 83 km away
19. 1.8123 km SSW of Atka, AlaskaSat, Feb 15, 8:12 PM HAST · 2418 days ago · 26 km deep · 74 km away
20. 2.841 km E of Adak, AlaskaSat, Feb 15, 5:07 PM HAST · 2418 days ago · 130 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0202fourbf. Read Wed, Sep 30, 2026, 11:31 AM UTC.